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Significant and Catastrophic Flooding in the Pacific Northwest; Very Cold Temperatures in the Northern Plains

The atmospheric river over the Pacific Northwest will begin to subside today, but lingering rainfall will exacerbate ongoing catastrophic major river flooding, and landslides will continue across portions of western Washington and northwest Oregon for several days. Arctic air will plummet southward into the Northern Plains today, bringing cold air in the single digits to the region by Friday. Read More >

Click a location below for detailed forecast.

Last Map Update: Thu, Dec 11, 2025 at 8:52:37 am EST

 

Light snow accumulations are expected in parts of southwest Virginia and the East TN mountains today, mainly for elevations at or above 2500 ft. 1 to 3 inches are possible, with higher amounts on the highest mountain peaks.
Accumulating snow will continue mainly across the higher elevations in east Tennessee and southwest Virginia. The snow showers and flurries will end around mid-day today, with mostly dry conditions expected Friday with the exception of light snow across the northern tier of the forecast area.
Accumulating snow will continue mainly across the higher elevations in east Tennessee and southwest Virginia. The snow showers and flurries will end around mid-day today, with mostly dry conditions expected Friday with the exception of light snow across the northern tier of the forecast area.
Accumulating snow will continue mainly across the higher elevations in east Tennessee and southwest Virginia. The snow showers and flurries will end around mid-day today, with mostly dry conditions expected Friday with the exception of light snow across the northern tier of the forecast area.

 Current Weather Observations...
Location Time
(EST)
Weather Vsby.
(SM)
Temp.
(ºF)
Dewpt.
(ºF)
Hum.
(%)
Wind
(mph)
Wind Chill / Heat Index
(ºF)
Pres.
(in)
Abingdon VA08:35Overcast10302168WNW 1020 [WC]29.93
Andrews-Murphy NC08:17Overcast10331955CALM-30.01
Chattanooga TN07:53Mostly Clear10322369NW 725 [WC]30.08
Crossville TN07:53Clear10262077NW 3-30.02
Dalton GA08:35Clear9352671NNW 827 [WC]30.07
Knoxville TN (McGhee-Tyson)07:53Mostly Clear10332571CALM-30.04
Middlesboro KY08:35Mostly Cloudy10312371CALM-30.03
Monroe Cnty TN08:35Clear10332674NNW 528 [WC]30.03
Morristown TN08:35Clear10322680NW 824 [WC]30.01
Oak Ridge TN07:53Partly Cloudy10322369CALM-30.05
Tazewell Cnty VA08:35Light Snow10262182NW 816 [WC]29.90
Tri-Cities TN07:53Overcast10322678W 1222 [WC]29.97
Wise VA08:35Overcast10262386NW 817 [WC]29.92
Greeneville, TN08:35Overcast10322474VRB 526 [WC]29.98


Local Weather History For December 11th...
In 1982, snowstorms hit the area. Tri-Cities reported 5.9" of snow while Knoxville had 3".

 

 

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